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klasskru [66]
2 years ago
9

Why would my teacher give me a math paper on something I didn't learn yet? Is she okay?

Mathematics
2 answers:
stepan [7]2 years ago
8 0

To see what you know, which is used to find out what you need to learn.

luda_lava [24]2 years ago
5 0

Answer:

your teacher is crazy about she think you are smart

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Whats 2/3x+3/7=1-4/7x​
Juliette [100K]

Answer:

x=6/13

Step-by-step explanation:

So we have:

\frac{2}{3}x+\frac{3}{7}=1-\frac{4}{7}x

Remove all the fractions to make things simpler. To do so, we can multiply by the LCM of the denominators.

The denominators are 3 and 7.

The LCM of 3 and 7 is 21. Thus, multiply everything by 21:

21(\frac{2}{3}x+\frac{3}{7})=21(1-\frac{4}{7}x)

Distribute:

\frac{42}{3}x+\frac{63}{7}=21-\frac{84}{7}x

Simplify the fractions:

14x+9=21-12x

Add 12x to both sides:

26x+9=21

Subtract 9 from both sides:

26x=12

Divide both sides by 26:

x=12/26

Reduce:

x=6/13

And that's our answer :)

5 0
3 years ago
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Use the quadratic formula to find both solutions to the quadratic equation
yanalaym [24]

Answer:

b

Step-by-step explanation:

took the test

7 0
3 years ago
Brad bought a piece of industrial real estate for $192,345. The value of the real estate appreciated at a constant rate per year
nevsk [136]

Answer:

look it up

Step-by-step explanation:

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7 0
3 years ago
Find the missing variable for a parallelogram:
Arada [10]

Answer:

Height of parallelogram = 5.07 inches

Step-by-step explanation:

We are given Area of Parallelogram = 32 in^2

Height of Parallelogram = ?

Base of Parallelogram = 6.3 in

The formula to find the Area of Parallelogram is:

Area of Parallelogram = Base * Height

32 = 6.3 * Height

=> Height = 32/6.3

=> Height = 5.07 inches

So, height of parallelogram = 5.07 inches

5 0
3 years ago
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Factor completely 12t ^8-75t^4
meriva
12t^8-75t^4=3t^4\cdot4t^4-3t^4\cdot25=3t^4(4t^4-25)\\\\=3t^4[(2t^2)^2-5^2]\\\\use\ a^2-b^2=(a-b)(a+b)\\\\=3t^4(2t^2-5)(2t^2+5)=3t^4[(t\sqrt2)^2-(\sqrt5)^2](2t^2+5)\\\\=3t^4(t\sqrt2-\sqrt5)(t\sqrt2+\sqrt5)(2t^2+5)
5 0
3 years ago
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